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(11)

EP 2 545 361 A1

(12)

(43) Date of publication: 16.01.2013 Bulletin 2013/03 (21) Application number: 11709566.1 (22) Date of filing: 09.03.2011

(51) International Patent Classification (IPC):  G01N 21/954(2006.01) (86) International application number: PCT/US2011/027684 (87) International publication number: WO 2011/112675 (15.09.2011 Gazette 2011/37)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.03.2010 US 311805 P (71) Applicant: Federal-Mogul Corporation Southfield, MI 48033 (US)	(72) Inventor: SHUTTLEWORTH, Paul, S. Canal Fulton OH 44614 (US) (74) Representative: Becker Kurig Straus  Patentanwälte Bavariastrasse 7 D-80336 München D-80336 München (DE)